r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/timer_list\x00', 0x0, 0x0)
r1 = memfd_create(&(0x7f0000001b80)='(\xc8\xf5\x82j\xca', 0x3)
fcntl$addseals(r1, 0x409, 0x4)
sendfile(r1, r0, 0x0, 0xffffffff)